JP6374017B2 - 半導体レーザ発振器 - Google Patents
半導体レーザ発振器 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims description 23
- 230000003595 spectral effect Effects 0.000 claims description 7
- 239000000835 fiber Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000013307 optical fiber Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- H01S5/042—Electrical excitation ; Circuits therefor
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
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- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
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- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
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- B23K26/0869—Devices involving movement of the laser head in at least one axial direction
- B23K26/0876—Devices involving movement of the laser head in at least one axial direction in at least two axial directions
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
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- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
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Description
Claims (6)
- 直列に接続された複数のレーザダイオードが1つのバンクを構成し、並列に接続された複数のバンクを有するダイオードユニットを備え、
前記ダイオードユニットは、前記複数のレーザダイオードそれぞれが射出するレーザを外部共振器とグレーティングとによって波長ロックし、スペクトルビーム結合させる機構を有し、
前記複数のバンクそれぞれのレーザダイオードへの入力電流を、入力電流に応じて波長がロックされる効率である波長ロック効率の特性に対応させて個別に制御して、前記ダイオードユニット全体の出力を要求される出力に制御する制御部をさらに備える
ことを特徴とする半導体レーザ発振器。 - レーザダイオードがシングルエミッタのレーザダイオードであることを特徴とする請求項1に記載の半導体レーザ発振器。
- レーザダイオードがシングルエミッタのレーザダイオードを複数空間結合したレーザダイオードモジュールであることを特徴とする請求項1に記載の半導体レーザ発振器。
- レーザダイオードがダイオードレーザバーであることを特徴とする請求項1に記載の半導体レーザ発振器。
- レーザダイオードがダイオードレーザバーを複数空間結合したレーザダイオードモジュールであることを特徴とする請求項1に記載の半導体レーザ発振器。
- 前記複数のバンクは、入力電流が0から所定の値までの低電流時の波長ロック効率が第1の状態である第1のバンクと、前記低電流時の波長ロック効率が前記第1の状態よりも低い第2の状態である第2のバンクとを少なくとも含み、
前記制御部は、前記第2のバンクの出力を、前記ダイオードユニット全体に要求される出力が0から所定の値まで0とするよう制御する
ことを特徴とする請求項1〜5のいずれか1項に記載の半導体レーザ発振器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014210491 | 2014-10-15 | ||
JP2014210491 | 2014-10-15 | ||
PCT/JP2015/078877 WO2016060103A1 (ja) | 2014-10-15 | 2015-10-13 | 半導体レーザ発振器 |
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JPWO2016060103A1 JPWO2016060103A1 (ja) | 2017-07-20 |
JP6374017B2 true JP6374017B2 (ja) | 2018-08-15 |
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JP2017513110A Active JP6652555B2 (ja) | 2014-10-15 | 2015-10-08 | レーザシステム、及び、レーザシステムの出力パワーを調整する方法 |
JP2016554076A Active JP6374017B2 (ja) | 2014-10-15 | 2015-10-13 | 半導体レーザ発振器 |
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US (2) | US10305252B2 (ja) |
EP (2) | EP3207602A4 (ja) |
JP (2) | JP6652555B2 (ja) |
CN (2) | CN107005020B (ja) |
WO (2) | WO2016060933A1 (ja) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107005020B (zh) | 2014-10-15 | 2021-07-20 | 朗美通经营有限责任公司 | 激光系统以及调谐激光系统的输出功率的方法 |
KR20170104818A (ko) * | 2016-03-08 | 2017-09-18 | 주식회사 이오테크닉스 | 벨로우즈 용접이 가능한 레이저 용접 장치 |
JP6625914B2 (ja) * | 2016-03-17 | 2019-12-25 | ファナック株式会社 | 機械学習装置、レーザ加工システムおよび機械学習方法 |
CN109475976A (zh) * | 2016-07-14 | 2019-03-15 | 三菱电机株式会社 | 激光加工装置 |
CN109863837B (zh) | 2016-08-26 | 2022-07-08 | 恩耐公司 | 激光器配电模块 |
JP7089148B2 (ja) * | 2016-09-30 | 2022-06-22 | 日亜化学工業株式会社 | 光源装置 |
GB2556197B (en) | 2016-09-30 | 2021-11-24 | Nichia Corp | Light source device |
JP6261810B1 (ja) * | 2016-10-25 | 2018-01-17 | 三菱電機株式会社 | レーザ加工機及びレーザ加工機の演算装置 |
CN108075351A (zh) * | 2016-11-11 | 2018-05-25 | 大族激光科技产业集团股份有限公司 | 半导体激光器控制系统 |
CN106532431A (zh) * | 2016-12-28 | 2017-03-22 | 尚华 | 一种应用于人体内的激光发生光导入装置 |
JP6502993B2 (ja) * | 2017-04-06 | 2019-04-17 | ファナック株式会社 | 複数のレーザモジュールを備えたレーザ装置 |
JP6568136B2 (ja) * | 2017-04-06 | 2019-08-28 | ファナック株式会社 | 複数のレーザモジュールを備えたレーザ装置 |
JP6642546B2 (ja) * | 2017-09-21 | 2020-02-05 | 日亜化学工業株式会社 | 波長ビーム結合装置 |
DE102017129790A1 (de) * | 2017-12-13 | 2019-06-13 | Osram Opto Semiconductors Gmbh | Verfahren zum Betreiben einer Laservorrichtung und Laservorrichtung |
JP6970036B2 (ja) * | 2018-02-20 | 2021-11-24 | ファナック株式会社 | ファイバレーザ発振器用の電源回路 |
US10461851B1 (en) * | 2018-03-30 | 2019-10-29 | Facebook, Inc. | Predicting optical transceiver failure |
US10425156B1 (en) | 2018-03-30 | 2019-09-24 | Facebook, Inc. | Dynamically determining optical transceiver expected life |
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